As we know if anyone falls from a narrow height it is very critical especially for the people who are under 10 years or above 60 years of age. The age group under 10 years is very sensitive, if any child who falls can face injuries which will affect them in terms of mental and physical disability or fatal injuries can also be caused in some cases. Similar for the age group of above 60 is also crucial if they got any kind of injury due to falling and by the time if they didn’t get any medical treatment so it will cause a decisive loss for that person. In the present era we are living in the age of 4G and 3D technology which means in this era everyone is connected with each other by means of smart phone and internet, also the smart wearable devices, which will be connected with human beings and send a kind of information signal through the medium of internet which is commonly known as Internet of Things (IoT). According to this kind of technology we are able to rectify the injury causing by collapsing on the ground. In this paper, we proposed an energy-efficient smart wearable IoT device which is able to detect the motion of human body and based on that it will detect the collapsing motion and immediately take action by sending data to the cloud server via internet which will immediately send an SMS to the concerned person. Apart from that we also introduce one more feature which is panic alert, so if anyone who need any emergency support, this wearable device will send an SMS to the concerned person. Here we used ESP8266-01 for the communication channel, for the calculation of body motion we use ADXL335 and for the reduction of power we used ATTINY85 which will reduce the ample of energy and utilize the power intelligently which results in the long life of 220 mAh battery. Its battery back-up is approximately up to 3000 h which is extremely far better than all the previous existing approaches.

众所周知，如果有人从狭窄的高度坠落，那是非常危险的，尤其是对于 10 岁以下或 60 岁以上的人。10岁以下的年龄段是非常敏感的，如果任何孩子跌倒都会面临伤害，这将影响他们的身心残疾，甚至在某些情况下还可能造成致命伤害。类似的对于60岁以上的人群来说也是至关重要的，如果他们因为跌倒而受到任何形式的伤害，到时候如果没有得到任何治疗，那么这将对该人造成决定性的损失。在当今时代，我们生活在4G和3D技术时代，这意味着在这个时代，每个人都通过智能手机和互联网以及智能可穿戴设备相互联系，它将与人类连接并通过通常称为物联网（IoT）的互联网媒介发送一种信息信号。根据这种技术，我们可以纠正因倒地而造成的伤害。在本文中，我们提出了一种节能的智能可穿戴物联网设备，它能够检测人体的运动，并在此基础上检测折叠运动并通过互联网将数据发送到云服务器立即采取行动，云服务器将立即采取行动。向相关人员发送短信。除此之外，我们还引入了另一个功能，即紧急警报，因此如果有人需要任何紧急支持，这款可穿戴设备会向相关人员发送短信。这里我们使用 ESP8266-01 作为通信通道，对于身体运动的计算，我们使用 ADXL335，为了降低功率，我们使用 ATTINY85，这将减少能量的充足并智能地利用功率，从而实现 220 mAh 电池的长寿命。其电池后备时间约为 3000 小时，远优于所有现有方法。